76 lines
2.2 KiB
TypeScript
76 lines
2.2 KiB
TypeScript
import cloud from '@lafjs/cloud';
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import Utils from "@/Utils";
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const db = cloud.database();
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const level1 = [4, 5, 6, 7, 8];
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const level2 = [9, 10];
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const level3 = [11];
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const DEFAULT_CAT_ARR = [1, 2, 3];
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const FILM_CONSUME_TABLE = [5, 10, 25, 35, 55, 70, 100, 120];
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/**猫咪抽卡 */
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export default async function (ctx: FunctionContext) {
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const uid = ctx.body.uid;
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const dbname = ctx.body.gameName == "iaa" ? "usersAd" : "users";
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const res = await db.collection(dbname).where({ _id: uid }).getOne();
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if (!res.data) {
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return { code: 0, data: null, msg: "未获取到玩家信息" };
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}
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if (res.data.token && !Utils.checkToken(ctx.body.token, res.data.token)) {
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return { code: 0, data: null, msg: "token校验失败" };
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}
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let film = res.data.film;
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if (!film && film != 0) {
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film = res.data.levelAmount;
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}
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const catArr = Array.isArray(res.data.catArr)
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? [...res.data.catArr]
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: [...DEFAULT_CAT_ARR];
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const list1 = level1.filter(catId => !catArr.includes(catId));
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const list2 = level2.filter(catId => !catArr.includes(catId));
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const list3 = level3.filter(catId => !catArr.includes(catId));
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const total = list1.length * 150 + list2.length * 50 + list3.length * 8;
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if (total == 0) {
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return { code: 0, data: null, msg: "已抽取所有猫咪" };
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}
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const totalCount = level1.length + level2.length + level3.length;
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const ownedCount = totalCount - (list1.length + list2.length + list3.length);
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const filmCost = FILM_CONSUME_TABLE[Math.min(ownedCount, 7)];
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film = Number(film) || 0;
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if (film < filmCost) {
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return {
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code: 0,
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data: { film, cost: filmCost },
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msg: "代币不足,闯关获取更多代币！",
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};
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}
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film -= filmCost;
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const weightRoll = Math.floor(Math.random() * total);
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let candidates;
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if (weightRoll < list1.length * 150) {
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candidates = list1;
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} else if (weightRoll < list1.length * 150 + list2.length * 50) {
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candidates = list2;
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} else {
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candidates = list3;
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}
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const reward = candidates[Math.floor(Math.random() * candidates.length)];
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catArr.push(reward);
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await db.collection(dbname).where({ _id: uid }).update({ catArr, film });
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return {
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code: 1,
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data: { catArr, reward, film },
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msg: "成功",
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};
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}
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